New Windows CUDA and OpenCL Versions Released
Source:  Collatz Conjecture
mardi 7 juillet 2015 17:13

CUDA version 6.06 and OpenCL version 6.08 were released for Windows today. The CUDA version fixes (I hope) a "device not ready" bug seen by some fast GPUs. While I could not duplicate the error, the code now waits for the events to synchronize which should eliminate the error. The OpenCL version, 6.08, now includes the bug fix where the GPU and CPU results were not always matching. It uses several of the optimizations Sosirus has provided and includes a new "lut_size" configuration option which now defaults to 12 (4096 items). The previous version used a 2^20 sized lookup table which did not fit into the GPU's cache causing it to be memory rather than processor bound. So, you should see a higher GPU utilization with the new version and it should not be as dependent upon memory speed as the previous versions. Linux and OS X versions with the same fixes will follow soon. As usual, let me know if you have any issues with the new versions.

Enhancing the potential for nanotechnology to improve access to clean water for millions
Source:  World Community Grid News and Updates
lundi 6 juillet 2015 06:23

The Computing for Clean Water team has discovered how water can pass through tiny carbon nanotubes much more easily than previously predicted. This groundbreaking understanding of a fundamental physical process holds potential for improving access to clean water for millions through more efficient water filtration and desalination, as well as possible applications in clean energy and medicine. This discovery has been published in Nature Nanotechnology, the world's most prestigious nanotechnology journal.

Unscheduled downtime due to disk problems
Source:  Moo! Wrapper
lundi 6 juillet 2015 01:29

There was an unscheduled downtime on 5th of July from about 13:00 EEST+3 (that's 10:00 UTC or 3:00 PDT-7) until about 1:30 EEST (22:30 UTC or 15:30 PDT) for a total of 12 hours 30 mins. There might have been problems with services for 2 hours or even longer before the start of downtime.

This was due to disk I/O failures on our main server that meant it had to be brought down for a disk check and temporary repairs. There was no critical data affected as the only file blocks permanently lost due to bad sectors were parts of log files. All other files were repaired successfully.

The affected disk will need to be replaced as it will most likely fail completely soon. This will require additional downtime in coming days.

For now, I'm bringing services back up slowly while the backlog gets processed.

Harmonious Tree
Source:  yoyo@home
lundi 6 juillet 2015 00:00

We need to rerun some Harmonious Tree workunits. If you need some points there, now is your chance to catch some.

10,359- factored
Source:  NFS@Home
samedi 4 juillet 2015 05:35

10,359- has been factored by GNFS. It is the product of 101- and 108-digit prime numbers. We still have lots of sieving to do for 6,490+. Thanks for your help!

16e status updated
Source:  NFS@Home
vendredi 3 juillet 2015 00:33

The long neglected 16e status page has been updated with the 6 7 factorizations completed so far this year. We will shortly have an 8th completed. Thanks for all of your contributions!

BOINC code upgrade
Source:  NFS@Home
jeudi 2 juillet 2015 02:12

I'm working on transitioning the project's per-app credits from my custom code to the official BOINC code. Various credit- and badge-related displays may be a bit broken for a bit. Sorry for any inconvenience!

Edit: I think everything should be working now. Please let me know if you find anything broken by leaving a comment on this post. Thanks!

New peak of performance!
Source:  SAT@home
mercredi 1 juillet 2015 11:24

New peak of the project performance (10,16 TFLOPs) was obtained! Thanks to all our crunchers! Special thanks to the mega-crunchers Alejandro V. Mena, Endurance, Grandpa, damotbe and [SG-FC] hl. Also thanks to the top-5 teams (by RAC during the period where the peak was obtained): Crystal Dream, L'Alliance Francophone, Russia Team, MENA_COMP_DIE_FI_UNAM, [H]ard|OCP.

Был получен новый рекорд производительности (10,16 TFLOPs)! Спасибо всем нашим кранчерам! Персональное спасибо мега-кранчерам Alejandro V. Mena, Endurance, Grandpa, damotbe и [SG-FC] hl. Также спасибо топ-5 команд (по RAC в течение получения рекорда): Crystal Dream, L'Alliance Francophone, Russia Team, MENA_COMP_DIE_FI_UNAM, [H]ard|OCP.

5 new solutions
Source:  SAT@home
mercredi 1 juillet 2015 11:10

5 new solutions were found by hawker from Russia, Endurance from Crystal Dream, fzs600 from L'Alliance Francophone, jan, Grandpa from [H]ard|OCP, Ungelovende from Team Norway, Andrey Fesenko (anfes) from Russia, [AF>EDLS]zOU from L'Alliance Francophone

5 новых решений нашли: hawker из Russia, Endurance из Crystal Dream, fzs600 из L'Alliance Francophone, jan, Grandpa из [H]ard|OCP, Ungelovende из Team Norway, Andrey Fesenko (anfes) из Russia, [AF>EDLS]zOU из L'Alliance Francophone

LHC@home Test4Theory passed 2 Trillion events
Source:  CAS@home
lundi 29 juin 2015 10:31

The Test4Theory application of LHC@home just announced that they have reached the total of 2 Trillion events simulated since 2011 by volunteers for the CERN PH-TH project MCPlots.

The original news can be found here


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